﻿/////////////////////////////////////////////////////////////////////////
//                                                                     //
//    MTGProject - A Magic The Gathering Networked Environment         //
//                                                                     //
//          Copyright (c) 2008-2009 by The MTGProject Team             //
//                                                                     //
// This file is part of MTGProject.                                    //
//                                                                     //
// MTGProject is free software; you can redistribute it and/or         //
// modify it under the terms of the GNU Lesser General Public          //
// License as published by the Free Software Foundation; either        //
// version 3 of the License, or (at your option) any later version.    //
//                                                                     //
// This library is distributed in the hope that it will be useful,     //
// but WITHOUT ANY WARRANTY; without even the implied warranty of      //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the       //
// GNU Lesser General Public License for more details.                 //
//                                                                     //
// You should have received a copy of the GNU Lesser General Public    //
// License along with this library; if not, write to the Free Software //
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA           //
// 02111-1307, USA, or contact the author(s):                          //
//                                                                     //
// Ruben Acuna <flyingfowlsoftware@earthlink.net>                      //
//                                                                     //
/////////////////////////////////////////////////////////////////////////

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace MTGProject
{
    class TheStack
    {
        private static TheStack uniqueInstance;

        private Stack<ICard> stack;

        private TheStack()
        {
            stack = new Stack<ICard>();
        }

        public static TheStack getInstance()
        {
            if (uniqueInstance == null)
                uniqueInstance = new TheStack();

            return uniqueInstance;
        }

        public void Push(ICard card)
        {
            stack.Push(card);
        }

        public void Collapse()
        {
            while (stack.Count > 0)
            {
                ICard activeCard = stack.Pop();

                activeCard.OnResolve();
            }
        }

    }
}
